Membership
Tour
Register
Log in
Fuk Sheung Fung
Follow
Person
Hong Kong SAR, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Battery operated portable electronic device having dual batteries
Patent number
7,573,154
Issue date
Aug 11, 2009
Perception Digital Limited
Chi-Ying Tsui
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
BATTERY OPERATED PORTABLE ELECTRONIC DEVICE HAVING DUAL BATTERIES
Publication number
20080179957
Publication date
Jul 31, 2008
PERCEPTION DIGITAL LIMITED
Chi-Ying Tsui
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC